659045952 has 84 divisors (see below), whose sum is σ = 1920106396. Its totient is φ = 216069120.

The previous prime is 659045941. The next prime is 659045999. The reversal of 659045952 is 259540956.

It is a happy number.

659045952 is a `hidden beast` number, since 6 + 59 + 0 + 4 + 595 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 170459136 + 488586816 = 13056^2 + 22104^2 .

It is a junction number, because it is equal to n+sod(n) for n = 659045898 and 659045907.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25758 + ... + 44514.

Almost surely, 2^659045952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 659045952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (960053198).

659045952 is an abundant number, since it is smaller than the sum of its proper divisors (1261060444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

659045952 is a wasteful number, since it uses less digits than its factorization.

659045952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18836 (or 18823 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The square root of 659045952 is about 25671.8903082730. The cubic root of 659045952 is about 870.2390464802.

The spelling of 659045952 in words is "six hundred fifty-nine million, forty-five thousand, nine hundred fifty-two".